EP0236147B1 - Procédé et système de surveillance des défaillances d'au moins une source de rayonnement lumineux - Google Patents
Procédé et système de surveillance des défaillances d'au moins une source de rayonnement lumineux Download PDFInfo
- Publication number
- EP0236147B1 EP0236147B1 EP87400041A EP87400041A EP0236147B1 EP 0236147 B1 EP0236147 B1 EP 0236147B1 EP 87400041 A EP87400041 A EP 87400041A EP 87400041 A EP87400041 A EP 87400041A EP 0236147 B1 EP0236147 B1 EP 0236147B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- source
- sources
- signal
- malfunction
- time
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000007257 malfunction Effects 0.000 title claims abstract 19
- 238000000034 method Methods 0.000 title claims description 10
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 8
- 239000013307 optical fiber Substances 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 241000071092 Candelabrum Species 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
- H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
Definitions
- the present invention relates to a method and a system for monitoring the failures of at least one light radiation source, more particularly suitable for monitoring a plurality of public lighting sources.
- the present invention aims to overcome these drawbacks.
- the invention firstly relates to a method for monitoring the failures of at least one source of light radiation, in which the radiation possibly emitted by said source is detected using a photocomponent. a period when it is energized, characterized in that a fault signal is emitted on the source supply line, in the absence of detected radiation, and that said fault signal is picked up at a point on the line distant from said source.
- Monitoring can thus be carried out in real time during network use, and remotely, which is a first advantage.
- modern public lighting networks are generally constituted by light discharge bulbs powered by ballasts, so that, in certain cases, an extinguished bulb continues to absorb a non-negligible current.
- the invention therefore makes it possible to overcome this difficulty, linked to detection by observation of the absence of absorbed current.
- the failure signal is emitted after the sources are energized, after a time as a function of a serial number of the faulty source in this plurality of sources.
- this function can be a linear relation.
- a signal is emitted on the supply line, the signal corresponding to a particular source being emitted after an additional time equal to the product of an elementary time by the serial number of the source considered.
- the failure signal is emitted after the detection of the failure of one of the sources, for a time as a function of a serial number of this source in the plurality of sources.
- the time during which the failure signal is emitted corresponds to a given source is for example proportional to the serial number of this source, so that it is sufficient, when a failure signal is detected on the supply line , measure the duration of this signal to deduce the serial number of the corresponding source.
- the two modes of implementation described above can be combined, the first mode being used during powering up of the network in order to detect all the sources already failing at this instant, then a switching taking place for switch to the second mode in order to detect new failures in real time.
- the identification of a faulty source is carried out either from the time of arrival of the corresponding signal, or from the duration of this signal, it is very simple to use as a failure signal a monofrequency signal , for example of musical frequency.
- Such a signal can be much more easily superimposed on the supply current of the sources than a digital coded signal. Finally, its detection on the supply line presents no difficulty since a simple single filter makes it possible to detect all of the signals corresponding to all the sources of the network.
- the failure signal is captured using an automaton which transmits this signal over a telephone line, for example to a control station.
- the present invention also relates to a system for monitoring the failures of at least one source of light radiation, comprising a photocomponent arranged to supply an electrical signal when said source emits radiation, characterized in that it comprises means for emission likely to emit a failure signal, on the supply line for said source, and control means for controlling the transmission means in the event that no electrical signal is supplied by said photocomponent.
- this photocomponent is connected to the radiation source by an optical fiber.
- the source is constituted by the bulb of a street lighting candelabra
- the source is constituted by the bulb of a street lighting candelabra
- the transmission means may, in a particular embodiment of the invention, comprise an oscillator, in particular of musical frequency.
- control means can be connected to the transmission means by means of timing means, and arranged to cause the transmission of the failure signal after a time after a predetermined time, such as when the sources are energized, and / or for a time after detection of the failure of one of the sources, which are a function of a serial number of the faulty source in said plurality of sources.
- the system according to the invention can also include an automaton at a point on the supply line remote from said source, arranged to pick up the fault signal and transmit it over a telephone line.
- the candelabra of FIG. 1 comprises an optic 1 in which is mounted a bulb 2, for example with light discharges, and a tubular support 3.
- An optical fiber 4 is arranged in the support 3 with one of its ends in the optical 1 in the vicinity of the bulb 2 and its other end connected to an electrical box 5 which will be described with reference to FIG. 2.
- a power line 6 allows on the one hand the electrical supply of the bulb 2 and of housing 5, and on the other hand, the transmission of a fault signal when the bulb 2 is energized but not lit .
- FIG. 2 shows in 7 the derivation of the line 6 allowing the supply of the bulb 2 via a cable 8, and of the housing 5 via a stabilized supply 9.
- a photocomponent 10 for example a photodiode, is placed at the lower end of the optical fiber 4, and its output current is amplified in an amplifier 11.
- the output voltage of the amplifier 11, which is therefore representative of the on or off state of the bulb 2, is applied to a timing circuit 12 controlled by a logic control unit 13 as will be described below. afterwards, so as to control in turn an oscillator 14 of musical frequency.
- the output of this oscillator for example at a few hundred Hz, is applied to the branch 7 via a filter 15 so as to then be transmitted on line 6.
- each logic 13 of the different candelabras connected to the line blocks the device for a time T1 sufficient to allow the ignition and ignition of all non-faulty bulbs 2 connected to the line 6.
- the time T1 can for example be of the order of 120 seconds.
- the logic unit 13 continues to block the device for a time T2, proportional for example to the serial number of the candelabrum relative to the origin of the line 6.
- the logic unit 13 causes the emission by the oscillator 14 of a failure signal , of a short duration but sufficient for the signal which will be received on line 6 to be clearly identifiable, without, however, that two signals corresponding to contiguous candelabra may overlap.
- the time T2 can be chosen to be equal to 0.4 ⁇ N seconds, where N is the serial number of the candelabrum, while the failure signal is emitted for a duration of 0.2 seconds.
- the network carries for example 200 candelabras
- the network carries for example 200 candelabras
- the logic units 13 cause the timing system to switch to a second operating mode, making it possible to detect faults occurring during service.
- T ⁇ 0.2 x N seconds.
- FIG. 3 represents the device installed at the public lighting station and responsible for detecting, analyzing and transmitting the failure signals.
- the voltages on these lines are filtered using filters 16, 16 ⁇ , .... 16 ⁇ so as to detect the failure signals in musical frequency emitted on the supply lines by the various failure detection devices such as 5.
- the signals thus detected are rectified in 17, 17 ⁇ , .... 17 ⁇ and amplified in 18, 18 ⁇ , .... 18 ⁇ .
- the fault signals thus detected and processed are then analyzed by a programmable controller 19 which determines the faulty sources and retransmits the information collected on an alert network 20, for example the switched telephone network, to a monitoring station.
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Telephonic Communication Services (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT87400041T ATE74482T1 (de) | 1986-01-09 | 1987-01-09 | Verfahren und system zur ueberwachung von mindestens einer lichtquelle. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8600214A FR2592718B1 (fr) | 1986-01-09 | 1986-01-09 | Procede et systeme de surveillance des defaillances d'au moins une source de rayonnement lumineux |
FR8600214 | 1986-01-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0236147A1 EP0236147A1 (fr) | 1987-09-09 |
EP0236147B1 true EP0236147B1 (fr) | 1992-04-01 |
Family
ID=9330932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87400041A Expired - Lifetime EP0236147B1 (fr) | 1986-01-09 | 1987-01-09 | Procédé et système de surveillance des défaillances d'au moins une source de rayonnement lumineux |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0236147B1 (es) |
AT (1) | ATE74482T1 (es) |
DE (1) | DE3777860D1 (es) |
ES (1) | ES2030081T3 (es) |
FR (1) | FR2592718B1 (es) |
GR (1) | GR3004815T3 (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2624335B1 (fr) * | 1987-12-04 | 1990-03-23 | Finzel Jean Luc | Ensemble de detection et de signalisation selectives de defauts de fonctionnement d'unites eclairantes dans un reseau d'eclairage |
WO1989009533A1 (en) * | 1988-03-25 | 1989-10-05 | The Nippon Signal Co., Ltd. | Disconnection detection apparatus for lamps |
FR2633140B1 (fr) * | 1988-06-15 | 1996-04-26 | Forclum Force Lumiere Elect | Procede et systeme de surveillance des defaillances d'au moins une source lumineuse |
FR2643210B1 (fr) * | 1989-02-14 | 1993-07-02 | Michel Ribery | Dispositif de signalisation permanente du fonctionnement ou du non-fonctionnement durant sa duree d'utilisation d'un appareil electrique emetteur d'ondes fonctionnant de maniere non continue |
FI86024C (fi) * | 1989-08-29 | 1992-06-25 | Teknoware Oy | Konditionsoevervakningssystem foer signal- och saekerhetsljussystem. |
FR2661577B1 (fr) * | 1990-04-25 | 1994-06-10 | Marinier Jean Claude | Procede et dispositif pour surveiller a distance un reseau d'eclairage. |
FR2672145B1 (fr) * | 1991-01-29 | 1993-05-21 | Electricite De France | Dispositif de detection d'un defaut d'une lampe d'un feu tricolore et installation de controle du trafic comportant un tel dispositif. |
FR2673296A1 (fr) * | 1991-02-27 | 1992-08-28 | Forclum Force Lumiere Elect | Procede et dispositif de surveillance d'au moins une source de rayonnement lumineux. |
IT1260524B (it) * | 1992-06-03 | 1996-04-09 | Procedimento per controllare lo stato di funzionamento di lampade di una rete di illuminazione pubblica | |
US6305602B1 (en) | 1997-12-01 | 2001-10-23 | Diebold, Incorporated | Light monitoring system and method for automated transaction machine |
GB0318230D0 (en) * | 2003-08-04 | 2003-09-03 | Schofield Darryl | Solar powered, wireless street measuring device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1588868A (en) * | 1977-06-30 | 1981-04-29 | Milligan Electronics Ltd | Lighting systems |
GB1588698A (en) * | 1978-03-31 | 1981-04-29 | Milligan Electronics Ltd | Lighting system supervisory apparatus |
FR2555852A1 (fr) * | 1983-11-25 | 1985-05-31 | Gastaud Bureau Etudes Paul Lou | Procede et installation de controle et de signalisation de l'etat d'un luminaire d'un equipement public |
-
1986
- 1986-01-09 FR FR8600214A patent/FR2592718B1/fr not_active Expired
-
1987
- 1987-01-09 DE DE8787400041T patent/DE3777860D1/de not_active Expired - Fee Related
- 1987-01-09 ES ES198787400041T patent/ES2030081T3/es not_active Expired - Lifetime
- 1987-01-09 AT AT87400041T patent/ATE74482T1/de not_active IP Right Cessation
- 1987-01-09 EP EP87400041A patent/EP0236147B1/fr not_active Expired - Lifetime
-
1992
- 1992-06-04 GR GR920401159T patent/GR3004815T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ES2030081T3 (es) | 1992-10-16 |
EP0236147A1 (fr) | 1987-09-09 |
FR2592718B1 (fr) | 1988-08-26 |
FR2592718A1 (fr) | 1987-07-10 |
DE3777860D1 (de) | 1992-05-07 |
ATE74482T1 (de) | 1992-04-15 |
GR3004815T3 (es) | 1993-04-28 |
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